/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/PostProcess/IDisplayClusterPostProcessFactory.h
For example, some postprocess types may use an instance as a singleton. In this case,Create()returns nullptr if the PP instance already exists, and as a result nDisplay issues an error message to the log, and then avoids creating this PP in the future.
true if a postprocess with this type can be created at this time.
virtual bool CanBeCreated ( const [FDisplayClusterConfigurationPostprocess](API\Plugins\DisplayClusterConfiguration\FDisplayClusterConfigurationPost-) * InConfigurationPostProcess ) const